#VU78463 Resource management error in OpenSSL - CVE-2023-3446
Published: July 20, 2023 / Updated: August 2, 2023
Vulnerability identifier: #VU78463
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-3446
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
OpenSSL
OpenSSL
Software vendor:
OpenSSL Software Foundation
OpenSSL Software Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the DH_check(), DH_check_ex() and EVP_PKEY_param_check() function when processing a DH key or DH parameters. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=fc9867c1e03c22ebf56943be205202e576aabf23
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=8780a896543a654e757db1b9396383f9d8095528
- https://www.openssl.org/news/secadv/20230719.txt
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=9a0a4d3c1e7138915563c0df4fe6a3f9377b839c
- https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=1fa20cf2f506113c761777127a38bce5068740eb
- http://www.openwall.com/lists/oss-security/2023/07/19/5
- http://www.openwall.com/lists/oss-security/2023/07/19/4
- http://www.openwall.com/lists/oss-security/2023/07/19/6